Absolute Pressure Sensor: Testing and Inspection
Component InspectionABSOLUTE PRESSURE SENSOR
1. Remove absolute pressure sensor with its harness connector connected.
2. Remove hose from absolute pressure sensor.
3. Install a vacuum pump to absolute pressure sensor.
4. Turn ignition switch "ON" and check output voltage between ECM terminal 120 and engine ground under the following conditions.
CAUTION:
- Always calibrate the vacuum pump gauge when using it.
- Do not apply below -93.3 kPa (-700 mmHg, -27.56 inHg) or over 101.3 kPa (760 mmHg, 29.92 inHg) of pressure.
5. If NG, replace absolute pressure sensor.
Removal and Installation
ABSOLUTE PRESSURE SENSOR
Refer to "INTAKE MANIFOLD"